OFFSET
1,1
EXAMPLE
cosec(arctanh(x)) = 1/x - x/6 - 1/12*x^3/3! + 125/126x^5/5! +...
cosech(arctan(x)) = 1/x + x/6 - 1/12*x^3/3! - 125/126x^5/5! +...
MAPLE
G:=series(csc(arctanh(x)), x=0, 92): seq(denom((2*n-1)!*coeff(G, x^(2*n-1))), n=1..45); # Emeric Deutsch, Feb 25 2005
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
Ralf Stephan, Dec 31 2004
EXTENSIONS
More terms from Emeric Deutsch, Feb 25 2005
STATUS
approved